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SP2017 Anatomy Exam#2 > Lecture 10- Pterygopalatine fossa > Flashcards

Lecture 10- Pterygopalatine fossa Flashcards

1
Q

Roof boundary of pterygopalatine fossa

A

greater wing of sphenoid

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2
Q

Posterior border of pterygopalatine fossa

A

lateral pterygoid plate

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3
Q

Medial border of pterygopalatine fossa

A

palatine bone

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4
Q

Lateral wall boundary of pterygopalatine fossa

A

access to infratemporal fossa space

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5
Q

Anterior border of pterygopalatine fossa

A

maxilla

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6
Q

… is the main branching hub of V2 and terminal branching of maxillary artery

A

pterygopalatine fossa

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7
Q

The… ganglion from cranial nerve… is located in the pterygopalatine fossa

A
  • pterygopalatine

- CNVII

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8
Q

There are… openings associated with the pterygopalatine fossa

A

7

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9
Q

The lateral opening of the pterygopalatine fossa is the…

A

pterygomaxillary fissue

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10
Q

The superior opening of the pterygopalatine fossa is the…

A

infraorbital fissure

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11
Q

The posterior wall of the pterygopalatine has these 3 openings…

A
  • Foramen rotundum (lateral)
  • Pterygoid canal
  • Pharyngeal canal (medial)
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12
Q

The medial wall of the pterygopalatine fossa has the… foramen

A

sphenopalatine

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13
Q

The inferior opening of the pterygopalatine fossa is the…

A

palatien canal

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14
Q

The 3rd part of the… artery enters the pterygomaxillary fissure and gives off these 7 terminal branches

A
  • maxillary
    1. infraorbital a.
    2. sphenopalatine a.
    3. pharyngeal a.
    4. pterygoid canal a.
    5. Greater palatine a.
    6. Lesser palatine a.
    7. PSA (which comes back out of the fissure)
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15
Q

Venous drainage of pterygomaxillary fissure is through the … vein to the pterygoid plexus to and then will drain anteriorly to….a or will drain posteriorly to … vein which will then drain to retromandibular v. which splits anterior and posterior. Anterior branch goes to facial to common facial to … Posterior joins with posterior auricular to form …

A
  • infraorbital v.
  • facial v.
  • maxillary v.
  • IJV
  • EJV
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16
Q

What nerves travel through the sphenopalatine foramen? (which is the medial wall of the pterygopalatine fossa)

A
  1. Sphenopalatine artery
  2. Nasopalatine nerve (V2)
  3. P.L. Nasal n. (V2) (superior and inferior)
17
Q

The sphenopalatine artery, once it comes out the…. foramen gives off … and… branches

A
  • sphenopalatine

- Posterior septal and Posterior lateral nasal

18
Q

… is the posteriosuperior opening of ptergyopalatine fossa and… is the anterosuperior opening

A

foramen rotundum

inferior orbital fissure

19
Q

What passes through the inferior orbital fissure of the pterygopalatine fossa

A

infraorbital and zygomatic nn. (V2) (which sends off zygomaticotemporal and zygomaticofacial)

20
Q

The pterygoid canal connects… and… and…

A

foramen lacerum and pterygopalatine fossa and sphenopalatine foramen

21
Q

The pterygoid canal which is a posterior opening of the pterygopalatine fossa transmits the… nerve and the… branch of… artery

A
  • Vidian n.
  • pterygoid
  • Maxillary
22
Q

The pharyngeal canal is a … opening of the pterygopalatine fossa and is found just superior/lateral to … which is also … to pterygoid canal

A
  • posterior
  • alae of vomer bone
  • 1 cm ant/med to pterygoid canal
23
Q

The pharyngeal canal transmits the… nerve and the… branch of … artery

A
  • pharyngeal n. (V2)
  • pharyngeal
  • maxillary
24
Q

The palatine canal is the…. opening of the pterygopalatine fossa and it runs vertically just lateral to … of palatine bone

A
  • inferior

- perpendicular plate

25
Q

The palatine canal transmits the… nn. and … artery

A
  • greater and lesser palatine nn.

- descending artery (greater and lesser palatine aa.)

26
Q

The lesser palatine nerve and artery are found on the…

A

pyramidal process of the palatine bone

27
Q

The pterygopalatine ganglion from…. is attached to… by 2 short pterygopalatine nerves

A

CNVII

V2

SP2017 Anatomy Exam#2 (14 decks)

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